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Finding the Fourth Proportional to 3,838.62, 5,757.98 and 2,530.76

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Solution

The fourth proportional to 3,838.62, 5,757.98 and 2,530.76 is: 3,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.62 : 5,757.98 = 2,530.76 : x
  2. Step 2: Convert to fraction form
    3,838.62/5,757.98 = 2,530.76/x
  3. Step 3: Cross multiply
    3,838.62x = 5,757.98 × 2,530.76
  4. Step 4: Simplify right side
    3,838.62x = 14,572,024.02
  5. Step 5: Solve for x
    x = 14,572,024.02/3,838.62
  6. Step 6: Final answer
    x = 3,796.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.